package mapper;

import com.houzhiwen.javabean.User;

import java.util.List;

public interface UserMapper {
    //返回值泛型与配置文件相同
    //方法名与id相同
    List<User> selectAllUser();
    User selectById(int id);
    int deleteById(int id);
    int insertUser(User user);
    int updateSalById(int id,int sal);

    int insertUser1(User user);
    int insertUser2(User user);
}
